1.25.5, not going to give you the setup but its basicaly benises, just using 6th gear, little bit more agressive suspension and 65% power coast which puts the car more on the edge but allows for better corner exits. As video description says and as benis said, real aliens can go 1.24 for sure

I used 48% bias for that setup just got to stabilise with gas once it comes around, its good to time the rear coming around when you are blipping for downshifts anyway so its seamless. and dont need much steering input either if you are using rear brakes to turn the car in. karting physics